rmagick

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Pixel RGB with ImageMagick and Rails

I\'m currently uploading an image with PaperC开发者_如何学JAVAlip and ImageMagick. I would like to get the image\'s average color so I\'m doing this (with a before_create hook):[详细]

2023-03-15 15:16 分类：问答
rmagick on Heroku with Bundler

I am getting this error: /app/che.rb:6:in `require\': no such file to load -- rmagick (LoadError) from /app/che.rb:6:in `<top (required)>\'[详细]

2023-03-11 20:56 分类：问答
Converting pdf's to images with Imagemagick + RMagic

I\'m using papercli开发者_如何学Pythonp at the moment to convert pdf files to images. My code looks something like this[详细]

2023-03-11 05:03 分类：问答
setting density upon image read with RMagick

I am attempting to use RMagick to convert an SVG to a PNG of a different size. When I read in the SVG with Magick::Image.read(\'drawing.svg\') and write it out to drawing.png (the equivalent of just[详细]

2023-03-10 04:33 分类：问答
how do you get rmagick to work on windows 7 64-bit with rails 3.1 and carrierwave?

I\'m having trouble getting rmagick to work on windows. Does anyone know how to get this working correctly? And even better, hopefully in 开发者_运维知识库a way that is compatible with a production en[详细]

2023-03-10 02:47 分类：问答
Ruby Error installing rmagick

SO all begins when i wanted to install zena . But i messed up installing differents parts of Ruby , gems , mysql . In the end . I ended with installing zena correctly , but when i execute : rake zena:[详细]

2023-03-05 21:16 分类：问答
Is it possible to use RMagick to draw overlays on to other application windows?

I am building a desktop app that will put a simple graphical HUD on to other application windows. So basically I need for my app to be able to access another app as the parent, and then build out the[详细]

2023-03-04 20:24 分类：问答
RMagick changing image extents with gravity

I\'ve got an image that i\'d like to \'pad\' with white space and centre. In most cases I need to resize the image from 16 or 32 pixels up to 32 pixels.[详细]

2023-03-01 07:55 分类：问答
ImageMagick - "CORE_RL_magick_.dll not found" or how to install RMagick on windows with ruby 1.9.2

I\'m working on a Rail3 app. After struggling for several hours and finally installing the rmagick 2.13.1 gem without errors on win7x64 / ruby 1.9.2, I\'ve run into another error. Yeah, I\'ve heard th[详细]

2023-02-28 23:48 分类：问答
RMagick RVM installation failed

I keep getting this error when I\'m installing rmagick inside rvm. checking for InitializeMagick() in -lMagickCore... no[详细]

2023-02-26 16:17 分类：问答